Tread portion of an automobile tire



FIG. 1 is a front view of a tread portion of an automobile tire;

FIG. 2 is a perspective view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a fragmentary enlarged view showing the details of the treadportion thereof;

FIG. 7 is a section view taken along line A-A in FIG. 6;

FIG. 8 is a section view taken along line B-B in FIG. 6; and,

FIG. 9 is a section view taken along line C-C in FIG. 6.

In the drawings, the broken lines defining the sidewall and the innerbead of the tire depict environmental subject matter that forms no partof the claimed design.

The ornamental design for a tread portion of an automobile tire, asshown and described.